TDA7057AQ Datasheet, PDF (8/16 Pages) NXP Semiconductors – 2 x 8 W stereo BTL audio output amplifier with DC volume control

Philips Semiconductors
2 × 8 W stereo BTL audio output amplifier
with DC volume control
Product specification
TDA7057AQ
handbook,¹h⁵alfpage
Pd
(W)
10
5
MBG677
(1)
(2)
0
0
4
8
12
16
20
VP (V)
(1) R_L = 8 Ω.
(2) R_L = 16 Ω.
Fig.7 Total worst case power dissipation as a
function of supply voltage.
80
handbo_Gok_v, halfpage
(dB)
40
MBG667
0
−40
−80
−120
0
0.4
0.8
1.2
1.6
2.0
VVC (V)
Fig.8 Voltage gain as a function of volume control
voltage.
1
handbook, halfpage
Vno
(mV)
10^−1
MBG678
10^−2
0
0.4
0.8
1.2
1.6
2.0
VVC (V)
f = 22 Hz to 22 kHz.
Fig.9 Noise voltage as a function of volume
control voltage.
1998 Apr 07
0
handbook, halfpage
SVRR
(dB)
−20
−40
MBG663
(1)
−60
−80
10^−2
10^−1
(2)
1
10
10²
f (kHz)
(1) V_DC = 1.4 V; V_ripple = 0.2 V.
(2) V_DC = 0.4 V; V_ripple = 0.2 V.
Fig.10 SVRR as a function of frequency.
8